Sfi System (For Sedan) How To Proceed With Troubleshooting

Engine Hybrid System. Yaris. Ncp93, 131
1Nz-Fe Engine Control. Yaris. Ncp93, 131

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. CONNECT TECHSTREAM TO DLC3*

  4. CHECK DTC AND FREEZE FRAME DATA*

  5. CLEAR DTC AND FREEZE FRAME DATA*

  6. CONDUCT VISUAL INSPECTION

  7. SELECT CHECK MODE DIAGNOSIS*

  8. CONFIRM PROBLEM SYMPTOMS

  9. SIMULATE SYMPTOMS

  10. CHECK DTC*

  11. REFER TO DTC CHART

  12. CONDUCT BASIC INSPECTION

  13. REFER TO PROBLEM SYMPTOMS TABLE

  14. CHECK ECM POWER SOURCE CIRCUIT

  15. CONDUCT CIRCUIT INSPECTION

  16. CHECK FOR INTERMITTENT PROBLEMS

  17. CONDUCT PARTS INSPECTION

  18. IDENTIFY PROBLEM

  19. ADJUST AND/OR REPAIR

  20. CONDUCT CONFIRMATION TEST*

Sfi System (For Sedan) -- How To Proceed With Troubleshooting


HINT:
*: Use the Techstream.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.CUSTOMER PROBLEM ANALYSIS

      NEXT


      3.CONNECT TECHSTREAM TO DLC3*
        HINT:
        If the display indicates a communication fault in the Techstream, inspect the DLC3.
        When any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.

      NEXT


      4.CHECK DTC AND FREEZE FRAME DATA*

      1. Check DTC (YARIS_NCP93 RM000000PDK0QGX.html).

      2. Check Freeze Frame Data (YARIS_NCP93 RM000000PDS0MJX.html).

        HINT:
        Record or print DTCs and freeze frame data, if necessary.

      NEXT


      5.CLEAR DTC AND FREEZE FRAME DATA*
        HINT:
        Record or print DTCs and freeze frame data, if necessary.

      1. Clear DTCs and freeze frame data (YARIS_NCP93 RM000000PDK0QGX.html).


      NEXT


      6.CONDUCT VISUAL INSPECTION

        NEXT


        7.SELECT CHECK MODE DIAGNOSIS*

        1. Refer to Check Mode Procedure (YARIS_NCP93 RM000000PDL0J3X.html).


        NEXT


        8.CONFIRM PROBLEM SYMPTOMS

        1. Refer to Problem Symptoms Table (YARIS_NCP93 RM000000PDG0JIX.html).

          HINT:
          If the engine does not start, perform steps 10 and 12 first.
          Result
          Result
          		Proceed to
          Malfunction does not occur
          		A
          Malfunction occurs
          		B


        		B.
        GO TO STEP 10
        A


        9.SIMULATE SYMPTOMS

          NEXT


          10.CHECK DTC*

          1. Refer to DTC Check / Clear (YARIS_NCP93 RM000000PDK0QGX.html).

            Result
            Result
            		Proceed to
            Trouble code output
            		A
            No trouble code output
            		B



          		B.
          GO TO STEP 12
          A


          11.REFER TO DTC CHART

          1. Refer to Diagnostic Trouble Code Chart (YARIS_NCP93 RM000000PDF0E6X.html).


          NEXT

          GO TO STEP 14


          12.CONDUCT BASIC INSPECTION

          1. Refer to Basic Inspection (YARIS_NCP93 RM000000PDM0I3X.html).

            Result
            Result
            		Proceed to
            Malfunctioning parts not confirmed
            		A
            Malfunctioning parts confirmed
            		B



          		B.
          GO TO STEP 17
          A


          13.REFER TO PROBLEM SYMPTOMS TABLE

          1. Refer to Problem Symptoms Table (YARIS_NCP93 RM000000PDG0JIX.html).

            Result
            Result
            		Proceed to
            Malfunctioning circuit confirmed
            		A
            Malfunctioning parts confirmed
            		B



          		B.
          GO TO STEP 17
          A


          14.CHECK ECM POWER SOURCE CIRCUIT

          1. Refer to ECM Power Source Circuit (YARIS_NCP93 RM000001DN805UX.html).


          NEXT


          15.CONDUCT CIRCUIT INSPECTION
            Result
            Result
            		Proceed to
            Malfunction not confirmed
            		A
            Malfunction confirmed
            		B


          		B.
          GO TO STEP 18
          A


          16.CHECK FOR INTERMITTENT PROBLEMS

          1. Refer to Check for Intermittent Problems (YARIS_NCP93 RM000000PDQ0NOX.html).


          NEXT

          GO TO STEP 18


          17.CONDUCT PARTS INSPECTION

            NEXT


            18.IDENTIFY PROBLEM

              NEXT


              19.ADJUST AND/OR REPAIR

                NEXT


                20.CONDUCT CONFIRMATION TEST*

                  NEXT

                  END